Bowler Ratings


Bowler ratings are from 1 to 10 in order of Stroker (ST), Tweener (TW), Cranker (CR)

Note: Ratings are only available to our premium members.

General Info

Coverstock Specs
Name:Violent Flip Reactive
Type:Reactive Pearl
Box Finish:500 / 1000 Abralon / Powerhouse Factory Finish Polish
Color:Gun Smoke
Core Specs
Int. Diff:0.000

The new Hammer Viral uses the very successful Vibe core surrounded by an older coverstock that was first used in the Black Widow line. This ball comes out of the box at a 500 / 1000 Abralon with Powerhouse Factory Finish Polish. For our testers, this ball was much cleaner through the front of the lane than any other current Hammer products. Even with our test layouts, all three testers saw tremendous length from this ball.

Our best reaction for the Viral was on our shortest test pattern. The polished finish allowed it to easily float through the front part of the lane, making a big move at the back of the

The BTM Ball Testing Team

About The BTM Ball Testing Team

The BTM Ball Testing Team is led by Eric Martinez. Our team of three testers has thrown and reviewed hundreds of bowling balls for Bowling This Month. When not testing balls for BTM, Eric owns and operates University Pro Shop in San Antonio, TX and he is an avid competitive bowler. Click here to learn more about how we test and review bowling balls.